NXUG---计算两个点XY平面投影距离

/** * @brief 计算两个点XY平面投影距离 * @param p1 点坐标 * @param p2 点坐标 * @return double 距离 */doublexyDistance(doublep1[3],doublep2[3]){doublelpt[3]={p1[0],p1[1],0.0};doublerpt[3]={p2[0],p2[1],0.0};returneuclidDistance(lpt,rpt);}/** * @brief 计算两个点欧几里得距离 * @param p1 点坐标 * @param p2 点坐标 * @return double 距离 */doubleeuclidDistance(doublep1[3],doublep2[3]){doubledx=p1[0]-p2[0];doubledy=p1[1]-p2[1];doubledz=p1[2]-p2[2];returnstd::sqrt(dx*dx+dy*dy+dz*dz);}